Valdiya, K.S. <br/><br/>
Environmental geology  Indian context 

 - New Delhi  Tata McGraw-Hill Pub Co.  1987 
 - xii,583p.  25cm. 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Geology-environmental aspects
<br/><br/><label>Dewey Class. No.: </label>550  / V15E